bryanpkc updated this revision to Diff 526351.
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D134677/new/
https://reviews.llvm.org/D134677
Files:
clang/include/clang/Basic/TargetBuiltins.h
clang/include/clang/Basic/arm_sme.td
clang/include/clang/Basic/arm_sve_sme_incl.td
clang/lib/CodeGen/CGBuiltin.cpp
clang/lib/CodeGen/CodeGenFunction.h
clang/lib/Sema/SemaChecking.cpp
clang/test/CodeGen/aarch64-sme-intrinsics/acle_sme_zero.c
clang/test/Sema/aarch64-sme-intrinsics/acle_sme_imm.cpp
Index: clang/test/Sema/aarch64-sme-intrinsics/acle_sme_imm.cpp
===================================================================
--- clang/test/Sema/aarch64-sme-intrinsics/acle_sme_imm.cpp
+++ clang/test/Sema/aarch64-sme-intrinsics/acle_sme_imm.cpp
@@ -203,6 +203,14 @@
SVE_ACLE_FUNC(svwrite_ver_za8, _s8, _m,)(0, -1, 16, pg, svundef_s8());
}
+ARM_STREAMING_ATTR
+void test_range_0_255(svbool_t pg, void *ptr) {
+ // expected-error@+1 {{argument value 256 is outside the valid range [0, 255]}}
+ SVE_ACLE_FUNC(svzero_mask_za,,,)(256);
+ // expected-error@+1 {{argument value 18446744073709551615 is outside the valid range [0, 255]}}
+ SVE_ACLE_FUNC(svzero_mask_za,,,)(-1);
+}
+
ARM_STREAMING_ATTR
void test_constant(uint64_t u64, svbool_t pg, void *ptr) {
SVE_ACLE_FUNC(svld1_hor_za8,,,)(u64, u64, 0, pg, ptr); // expected-error {{argument to 'svld1_hor_za8' must be a constant integer}}
Index: clang/test/CodeGen/aarch64-sme-intrinsics/acle_sme_zero.c
===================================================================
--- /dev/null
+++ clang/test/CodeGen/aarch64-sme-intrinsics/acle_sme_zero.c
@@ -0,0 +1,46 @@
+// REQUIRES: aarch64-registered-target
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sme -target-feature +sve -S -O1 -Werror -emit-llvm -o - %s | FileCheck %s -check-prefixes=CHECK,CHECK-C
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sme -target-feature +sve -S -O1 -Werror -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefixes=CHECK,CHECK-CXX
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sme -target-feature +sve -S -O1 -Werror -o /dev/null %s
+
+#include <arm_sme_draft_spec_subject_to_change.h>
+
+// CHECK-C-LABEL: @test_svzero_mask_za(
+// CHECK-CXX-LABEL: @_Z19test_svzero_mask_zav(
+// CHECK-NEXT: entry:
+// CHECK-NEXT: tail call void @llvm.aarch64.sme.zero(i32 0)
+// CHECK-NEXT: ret void
+//
+void test_svzero_mask_za() {
+ svzero_mask_za(0);
+}
+
+// CHECK-C-LABEL: @test_svzero_mask_za_1(
+// CHECK-CXX-LABEL: @_Z21test_svzero_mask_za_1v(
+// CHECK-NEXT: entry:
+// CHECK-NEXT: tail call void @llvm.aarch64.sme.zero(i32 176)
+// CHECK-NEXT: ret void
+//
+void test_svzero_mask_za_1() {
+ svzero_mask_za(176);
+}
+
+// CHECK-C-LABEL: @test_svzero_mask_za_2(
+// CHECK-CXX-LABEL: @_Z21test_svzero_mask_za_2v(
+// CHECK-NEXT: entry:
+// CHECK-NEXT: tail call void @llvm.aarch64.sme.zero(i32 255)
+// CHECK-NEXT: ret void
+//
+void test_svzero_mask_za_2() {
+ svzero_mask_za(255);
+}
+
+// CHECK-C-LABEL: @test_svzero_za(
+// CHECK-CXX-LABEL: @_Z14test_svzero_zav(
+// CHECK-NEXT: entry:
+// CHECK-NEXT: tail call void @llvm.aarch64.sme.zero(i32 255)
+// CHECK-NEXT: ret void
+//
+void test_svzero_za() {
+ svzero_za();
+}
Index: clang/lib/Sema/SemaChecking.cpp
===================================================================
--- clang/lib/Sema/SemaChecking.cpp
+++ clang/lib/Sema/SemaChecking.cpp
@@ -2992,6 +2992,10 @@
if (SemaBuiltinConstantArgRange(TheCall, ArgNum, 0, 15))
HasError = true;
break;
+ case SVETypeFlags::ImmCheck0_255:
+ if (SemaBuiltinConstantArgRange(TheCall, ArgNum, 0, 255))
+ HasError = true;
+ break;
}
}
Index: clang/lib/CodeGen/CodeGenFunction.h
===================================================================
--- clang/lib/CodeGen/CodeGenFunction.h
+++ clang/lib/CodeGen/CodeGenFunction.h
@@ -4267,6 +4267,9 @@
llvm::Value *EmitSMEReadWrite(SVETypeFlags TypeFlags,
llvm::SmallVectorImpl<llvm::Value *> &Ops,
unsigned IntID);
+ llvm::Value *EmitSMEZero(SVETypeFlags TypeFlags,
+ llvm::SmallVectorImpl<llvm::Value *> &Ops,
+ unsigned IntID);
llvm::Value *EmitAArch64SMEBuiltinExpr(unsigned BuiltinID, const CallExpr *E);
llvm::Value *EmitAArch64BuiltinExpr(unsigned BuiltinID, const CallExpr *E,
Index: clang/lib/CodeGen/CGBuiltin.cpp
===================================================================
--- clang/lib/CodeGen/CGBuiltin.cpp
+++ clang/lib/CodeGen/CGBuiltin.cpp
@@ -9448,6 +9448,16 @@
return Builder.CreateCall(F, Ops);
}
+Value *CodeGenFunction::EmitSMEZero(SVETypeFlags TypeFlags,
+ SmallVectorImpl<Value *> &Ops,
+ unsigned IntID) {
+ // svzero_za() intrinsic zeros the entire za tile and has no paramters.
+ if (Ops.size() == 0)
+ Ops.push_back(llvm::ConstantInt::get(Int32Ty, 255));
+ Function *F = CGM.getIntrinsic(IntID, {});
+ return Builder.CreateCall(F, Ops);
+}
+
// Limit the usage of scalable llvm IR generated by the ACLE by using the
// sve dup.x intrinsic instead of IRBuilder::CreateVectorSplat.
Value *CodeGenFunction::EmitSVEDupX(Value *Scalar, llvm::Type *Ty) {
@@ -9908,6 +9918,8 @@
return EmitSMELd1St1(TypeFlags, Ops, Builtin->LLVMIntrinsic);
else if (TypeFlags.isRead() || TypeFlags.isWrite())
return EmitSMEReadWrite(TypeFlags, Ops, Builtin->LLVMIntrinsic);
+ else if (TypeFlags.isZero())
+ return EmitSMEZero(TypeFlags, Ops, Builtin->LLVMIntrinsic);
/// Should not happen
return nullptr;
Index: clang/include/clang/Basic/arm_sve_sme_incl.td
===================================================================
--- clang/include/clang/Basic/arm_sve_sme_incl.td
+++ clang/include/clang/Basic/arm_sve_sme_incl.td
@@ -218,6 +218,7 @@
def IsPreservesZA : FlagType<0x10000000000>;
def IsRead : FlagType<0x20000000000>;
def IsWrite : FlagType<0x40000000000>;
+def IsZero : FlagType<0x80000000000>;
// These must be kept in sync with the flags in include/clang/Basic/TargetBuiltins.h
class ImmCheckType<int val> {
@@ -241,6 +242,7 @@
def ImmCheck0_3 : ImmCheckType<15>; // 0..3
def ImmCheck0_0 : ImmCheckType<16>; // 0..0
def ImmCheck0_15 : ImmCheckType<17>; // 0..15
+def ImmCheck0_255 : ImmCheckType<18>; // 0..255
class ImmCheck<int arg, ImmCheckType kind, int eltSizeArg = -1> {
int Arg = arg;
Index: clang/include/clang/Basic/arm_sme.td
===================================================================
--- clang/include/clang/Basic/arm_sme.td
+++ clang/include/clang/Basic/arm_sme.td
@@ -114,3 +114,14 @@
defm SVWRITE_ZA32 : ZAWrite<"za32", "iUif", [ImmCheck<0, ImmCheck0_3>, ImmCheck<2, ImmCheck0_3>]>;
defm SVWRITE_ZA64 : ZAWrite<"za64", "lUld", [ImmCheck<0, ImmCheck0_7>, ImmCheck<2, ImmCheck0_1>]>;
defm SVWRITE_ZA128 : ZAWrite<"za128", "csilUcUsUiUlhbfd", [ImmCheck<0, ImmCheck0_15>, ImmCheck<2, ImmCheck0_0>]>;
+
+////////////////////////////////////////////////////////////////////////////////
+// SME - Zero
+
+let TargetGuard = "sme" in {
+ def SVZERO_MASK_ZA : SInst<"svzero_mask_za", "vi", "", MergeNone, "aarch64_sme_zero",
+ [IsZero, IsOverloadNone, IsStreamingCompatible, IsSharedZA],
+ [ImmCheck<0, ImmCheck0_255>]>;
+ def SVZERO_ZA : SInst<"svzero_za", "v", "", MergeNone, "aarch64_sme_zero",
+ [IsZero, IsOverloadNone, IsStreamingCompatible, IsSharedZA]>;
+}
Index: clang/include/clang/Basic/TargetBuiltins.h
===================================================================
--- clang/include/clang/Basic/TargetBuiltins.h
+++ clang/include/clang/Basic/TargetBuiltins.h
@@ -309,6 +309,7 @@
bool isTupleSet() const { return Flags & IsTupleSet; }
bool isRead() const { return Flags & IsRead; }
bool isWrite() const { return Flags & IsWrite; }
+ bool isZero() const { return Flags & IsZero; }
uint64_t getBits() const { return Flags; }
bool isFlagSet(uint64_t Flag) const { return Flags & Flag; }
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